Europa, Jupiter's ice-cloaked ocean moon, contains far less oxygen than previously thought, making it a poor candidate for sustaining alien life. Researchers came to this conclusion after analyzing data compiled from NASA's Juno mission. Calculations from a 2022 flyby of the Jovian moon revealed that Europa's frozen surface only produces...
What it is: Io, Jupiter's third-largest moon When it was taken: Oct. 15, 2023 Where it is: 262,000 miles (422,000 kilometers) from Jupiter Why it's so special: This photo, taken by NASA's Juno spacecraft, is the highest-resolution image taken of the most volcanic world in the solar system in 22...